Samuel geoghegan



2 Sheets-Sl1eetL S. GEOGHEGAN. Driving Mechanism for Street-Locomotives, &c.

No. 226,230. Patented April 6,1880.

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2 Sheets-Sheet 2.

S GEOGHEGAN.

Driving Mechanism for Street-Locomotives, 8L6. No; 226,230. Pate-ncedApril 6,1880.

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litre SAMUEL GEOGHEGAN, OF DUBLIN, IRELAND.

DRIVING MECHANISM FOR STREET-LOCOMOTIVES, 800.

SPECIFICATION forming part of Letters Patent No. 226,230, dated April 6, 1880.

Application filed January 2, 1880.

To all whom it may concern:

Beitknown that I, SAMUEL GEOGHEGAN, of the city of Dublin, Ireland, have invented new and useful Improvements in the Construction and Arrangement of the Driving Mechanism of Street-Locomotive Engines, applicable also to tram-cars and other vehicles propelled by gas, steam, or other motive power, of which the following is a specification.

This invention relates to improvements applied to locomotive-engines, tram-cars, and other vehicles propelled by gas, steam, or other motive power, whereby the driving mechanism is removed from proximity to dirt and dust, while it is rendered easily accessible and suitable provision is m'ade for the use of springs.

My improvements consist in placing the cylinder or cylinders and crank-shaft upon the top of the boiler in a horizontal position and imparting motion to the axle of the drivingwheels by crank and conuecting'rod direct from the crank-shaft above on both sides of the vehicle; also, in connecting the upper and lower bearings-thatis to say, the crank-shaft and axlebearingsrigidly by a pillar or post.

On the accompanying two sheets of drawings, forming part of this specification, Figure 1 represents a side elevation of a locomotiveengine embodying my invention; Fig. 2, an end view of same, partly in section; Fig. 3, an enlarged view of driving mechanism; Fig. 4, a detail of crank-shaft bearing, and Fig. 5 an end view of Fig. 3.

A A indicate the cylinders; B, the crankshaft; O, axle of driving-wheels; D, the counecting-rod; E, the pillar or post; F, the hearing for crank-shaft; G, the bearing for axle O; H, coupling-rod; I I, oil boxes K K, channels for oil.

The boiler, upon which the cylinders, reversing-links, &c., are carried, is, by preference,

inelosed by side pieces, L, which are firmly bolted to the boiler. To these pieces are pivoted at a rods 0 0, that are at their opposite ends pivoted to the springs d, as shown. The rods from the inner ends of the springs are pivoted to-a lever, b, so as to equalize the jolt.

The engine is supported on the axles by means of posts E, extending from the springs cl to the bearings of the axles and passing freely through lugs e on'the side pieces, L.

The connecting-rods D from the crank-shaft ,B are cranked to the driving-wheels, which are coupled, as shown.

Having now described the nature of my invention, and in what manner it may be per formed or carried into practical effect, what I claim is 1. A tramway or locomotive engine having its cylinder surmounting the boiler and provided with a transverse crank-shaft whose connecting rod is cranked to the drivingwheels, as set forth.

2. A tramway or locomotive engine whose boiler is inelosed by side pieces, L, as set forth, and supported on posts E, extending from the axle-bearings to springs cl, which latter are attached at their ends to the side pieces, L, substantially as described.

3. In combination with the boiler and driving mechanism mounted thereon, the posts E, springs cl, rods 0, and connecting-rods D, as set forth.

4. In combination with the boiler and driving mechanism mounted thereon, the springs (l, lever b, rods 0, and posts E, as set forth.

SAMUEL GEOGHEGAN.

Witnesses:

EDWARD PURSER,

4 Foster Place, Dublin, Gent. I. WILLIAM OOPLAND,

4 Foster Place, Dublin, N. P. 

